The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c in QEMU (aka Quick Emulator) allows local OS guest privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors involving the transfer mode register during multi block transfer.
git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=6e86d90352adf6cb08295255220295cf23c4286e
www.openwall.com/lists/oss-security/2017/02/14/8
www.securityfocus.com/bid/96263
bugzilla.redhat.com/show_bug.cgi?id=1421995
lists.debian.org/debian-lts-announce/2018/09/msg00007.html
lists.gnu.org/archive/html/qemu-devel/2017-02/msg02776.html
security.gentoo.org/glsa/201704-01